Valve.



M. R. SMIIH.

VALVE.

APPLICATION FILED JUNE 2B, 1911.

Patented Dec. 4, 1917'.

2 SHEETSSHEET I WITNESSES 5 3 :N Q1 Q0 N w N V) n N N ill R.Smih

ATTORNEY M. R. SMITH.

VALVE.

APPLICATION mu) JUNE 26.19l7.

1,249,225. Patented Dec. 1917.

2 SHEETS --$HEET 11 INVENTOR WITNESSES R, Z/JU Mg? ATTORNEY MARTINRUSSELL SMITH, 0F CHABLOTTESVILLE, VIRGINIA.

VALVE.

Specification .of Letters Patent.

Patented Dec. 4, 1917.

Application filed June 26, 1917. Serial No. 177,104.

To all whom it may concern:

Be it known that I, MARTIN B. SMITH, a citizen of the Unlted States,residing at (.lharlottesville, in the county of Albemarle' and State ofVirginia, have invented new and useful Improvements in Valves, of whichthe following is a specification.

This invention relates to a valve which is especially adap Led for usein connection with the flush ia nks of closets, and the like.

The primary object of the invention is to provide a valve of thischaracter which will comprise comparatively few parts and may be used inconnection, with both the old and new style of flush tanks now in useand is so constructed as to insure the seating of the valve upon thecompletion of the discharge of the water from the tank and topositivelyprevent the water escaping from the tank into the flush pipewhen the valve is seated.

Another object of the invention is to provide a vitreous valve havingassociated therewith a stem of novel construction which is passedthrough guides so arranged with relation to the stem as to positivelyprevent the valve from becoming broken under the influence of the inrushof water to the tank.

A further object of the invention is to provide a seat for a valve ofthischaracter which may be mounted upon an outlet pipe forming a part ofthe valve so as to prevent the seat from becoming distorted and weakenedthrough continuous use.

With these and other objects in view, the invention resides in the novelcombination and arrangement of parts, which will be hereinafterdescribed and particularly pointed out in the claims;

The preferred embodiment of the invention has. been illustrated in theaccompanying drawings, although no restrictionis necessarily made tqtheprecise details of corn struction therein shown, as changes,alterations, and modifications, within the scope of he claims may beresorted to when desired. 1 In the drawings:

l i gure 1 is a longitudinal section through a portion of a flush tankshowing the improved valve applied thereto and in elevati on.

Fig. 2 is a view similar to Fig. 1, the valve being shown in section.

Fig 3 is a detailed view throughthe valve to more clearlyiillustrate theconstruction of,

the valve stem and manner of connecting the valve therewith.

Like characters of reference denote corresponding parts throughout theseveral views in the drawings.

Referring now to the drawings in detail, the letter A designates aportion of a flush tank of the type now in common use which i hasconnected therewith the improved valve B. The valve 13 includes anannular body 5 at the ends of which are formed flanges 6 and 7,.theflange 7 being adapted to contact with the bottom of the tank A adjacentthe overflow opening therein in which is received a threaded extension 9on the body for connection with. the flush pi e on the closet bowl (notshown in'the said extension being retained in the opening in the tank bya nut 10 between which'and the bottom of the tank may be interposed apacking ring 10 if found desirable.

The body 5 has formed thereon a horizon tally extending and hollow arm11 with the outer end of which is connected a vertically extendingoverflow pipe 12 which serves as a J support for a collar 13 which isheld in adjusted position thereon by a set screw 14, said collar havingformed thereon an extension 15 in which is adiustably mounted a stem 16having formed integral therewith at its outer end a channeled head 17for a purpose which will hereinafter appear.

The extension 9 on the body. 5 has extending transversely thereof ,across bar- 18 in which is formed a vertically extending opening 19 inalinement with the channel "in-the head 17. A circular valve seat 20preferably formed from rubber'an d corresponding in diameter to thediameter of the flange 6 is secured thereto by a ring 21 overlying saidseat and. flange and having passed therethrough and through openings inthe valve seat and flange securing elements 22, s uch as screws, or thelike, which enable the valve seat to be quickly and easily replaced whenthe occasion requires or. permit the reversal rawings),

thereof if found desirable. "The valve seat 20 has formed therein acentral circular opening 23, the wall ofv which lSbBVBlBd to inclinedownwardly and outwardly toward the inner surface of the body 5. g I Iam well aware of the fact that valve seats having a circular openingprovided with a beveled wall as shown are in common use but these valve,seats are all connected with the valve easin s with the beveled wall inclinin upward y and outwardly which permits t e valve seat when softenedby the. water in the tank to allow the water within the tank to passbetween the beveled wall. of the seat and the valve resting thereon andI find that I can obviate this objectionable feature of these valves byarranging the valve with the beveled wall inclining downwardly andoutwardly and clamping the valve on the flange 6 with the ring as shown.

A'hollow oblate valve 24 to rest upon the seat 20 is preferably formedof some suitable .i"itreous material and is provided. at one of its endswith a reduced and central extension 25 and at lts other end with acentral.

.ing 26 in one end thereof so that the tube may pass through the opening19 in the cross bar 18 which serves as a guide therefor. The tube 28 is'ex'teriorly threaded for a portion of its length as at 2-9 and hasengaged witlrsaid threaded portion nuts 30 by means of which theextension at the other end. of the valve may be firmly engaged with apacking 31 within a cap 32 carried by the other end of the tube andadapted to encircle the extension on the valve. 'lhreadedly retained inthe tube 28 is a rod 3?) forn'iing the olher part of the valve stem andpassing through the channel in the head 17 which servesas a guidetherefor, the rod being formed above-the head'with an arm 34 to beengaged by a suitableoperating lever shown).

I am Well aware that there are valves somewhat similar to mine now inuse which aresuspended by a stem having connection with the overflowpipe but In. these valves the stem does not consist of a two-part mem--il'i.-. at nce apparent lhal a vulnl'or llusli tanks has been pro\ iilel liiuli will coniinis few parts, thus redlieing the cost of manufaclure and with the parts H) comm-led and arranged as to insure theproper seating of the valve and to positively prevent the es cape ofwater from the tank when the valve is seated.

Having thus described the invention hat is claimed as new, is:

1. In a device of the class described, a valve seat and a valve to seatthereon including a hollow oblate body having an extonsion at one endthereof and an opening at its other end, a tube passing through saidbody and extending beyond the same-through the said opening in the endthereof, a cap at one end of said tube to einrirole said extension andclose the open end thereof, means on the tube for holding said extensionin engagenient with said cap and a rod adjustal l v z'nounted In saidtube.

In a device of the class described, a valve and a seat thereforincluding an an nuln r body having a flange at one end thereof. a'valveseat re-movabl v m unted on said. l'lange and havirre a central circularopening therein, the wall of which inclines downwardly and ni1'uaI'tllytoward the'inner peripheral wall of the bm'lvl I In testimony whereof Ialiix my signature.

MARTIN RUSSELL SMITH.

